/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import router from '@system.router'
import usbManager from '@ohos.usbManager';
import CheckEmptyUtils from '../../utils/CheckEmptyUtils.js';

var deviceList;

export default {
    data: {
        result: 'World',
        device: null
    },
    onBackPress() {
        router.back();
    },
    getDeviceList() {
        console.info("usb getDeviceList...")
        deviceList = usbManager.getDevices();
        if (CheckEmptyUtils.isEmptyArr(deviceList)) {
            console.info("usb getDeviceList is null")
            this.result = this.$t('device list is empty');
            return;
        }

        console.info("usb getDeviceList : " + JSON.stringify(deviceList))
        this.result = JSON.stringify(deviceList);
        this.device = deviceList[0];
    }
}
